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Mathematics Questions and Answers August 23, 2022

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Please check if my ace of n is right and please help me solve lim of it with steps 5) Find the formula (an) for this sequence and then find the limit as n approaches infinity. (4 pts) 3. -9 27 -81 an = 4 16 64 . . . lim (an ) = 12-700 state the value they approad
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Margin of error You take an SRS of size 49 from a population with mean 185 and standard deviation 84. Use the 99.7 part of the 68- 95- 99.7 rule to compute the margin of error. Use the 95 part of the 63- 95- 99.7 rule to compute the margin of error
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Para un proceso de ensamblaje de autos se desea adquirir una nueva lnea con el fin de aumentar la productividad de la empresa. Para ello, se debe simular la operacin durante un mes de trabajo (30 das) y analizar los resultados obtenidos para las tres opciones de lneas disponibles. A la fbrica arriban autos entre las 8:00 y 18:00 de cada da de la

What kind of business would benefit more from EOQ model (Economic Order Quantity)Why?Any business that you believe would not benefit from the model and why? Can you give us a specificexample in how this tool can be applied to an organization? Also, what is economic lot size model?

Exam Lesson Name: Money Management Exam number: 700141RR Exam Guidelines Exam Instructions Question 13 of 20 : Select the best answer for the question, 13. Lily Quinn makes $12.50 an hour. She works 4 hours on Monday, 6 hours on Tuesday, 9 hours on Wednesday, 3 hours on Thursday, and 7 hours on Friday. What is her gross pay? O A. $325.50 O B.

Combine the heights of female students and the heights of male students into height. Combine the weights of female students and the weights of male students into weight. Create a dummy variable gender (1 for females, 0 for males ) that matches height and weight
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Thank you for the help ! A worldwide organization of academics claims that the mean IQ score of its members is 112, with a standard deviation of 15. A randomly selected group of 40 members of this organization is tested, and the results reveal that the mean IQ score in this sample is 117.2. If the organization's claim is correct, what is the
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make this sound proffessional and to the point: Good Morning LS1, Our Command duty cell phone that we use for STUCON students is malfunctioning. It seems to no longer be able to hold a charge and only turns on when it is plugged in please advise further. Duty phone number is : 405-831-1088

2. Find the optimal volume and greatest possible profit for a manufacturer of automatic washers, if x hundred units will sell at a price of 600 - 5x dollars per unit and the cost function, in dollars, is C(x)=200 000 + 20 000 x + 500 x ^ 2 .

Average shoe size is 10.5 and standard deviation is 1.5. I need to order 50 shoes. Available sizes are 6-15 with no half sizes. How many of each shoe should I order?

Help with this Use the given transformation to evaluate the integral, where R is the parallelogram bounded by the lines y = 7x +5, y = 7x+7, y= -2x +2, and y= -2x + 10 J J (2x + y ) dx dy; U= - 7x+ y, V= 2x+y R O A. 864 64 O B. 3 O C. 1,728 OD. 32 3
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. A sample of 1,000 houses is obtained. In the following frequency distribution, X represents the number of rooms in a randomly selected house. Number of Rooms, X 1 2 3 4 5 6 7 8+ Frequency 5 11 88 183 230 204 123 156 (a) (2 points) Construct the probability distribution for the random variable X. (b) (2 points) Find the probability that a house

Hello, can you tell me what your thoughts are on this? Thank you. The accompanying table provides data on students' pre-MBA salary and post-MBA salary expectations. Define range names for each of these ranges and then use the range names in formulas to find the expected salary increase for each of the respondents. Click the icon to view the table
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(c) This distribution is relatively symmetric and hell-shaped. Give an interval that is likely tn eentain alimit 95% of the date 1waluee. }_ mum summit-I {1 '
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In your own words, respond to the following questions. Write detailed sentences to show how well you understand the concepts. Remember to follow the discussion forum guidelines. 1. Where was the equilibrium price and quantity before the shortage started? 2. Was this "shortage" due to an increase in quantity demanded? Or, did demand actually
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assume that a sample is used to estimate a population proportion p. find the 99.9% confidence interval for a sample of size 187 with 83% successes. enter your answer as tri-linear inequality using decimals (not percents accurate to three decimal places.

Can you plese help me out for this question? You bre given the following: Losses follow a pareto distribution with parameters 2 = 3.5, 0= 5010 0 There is a deductible of 5000 with no policy limit . Determine the coefficient of variation of . a . a single loss 6 . a single Toss given a loss is Paid
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Question 11, thank you! $ 5 M Inbox (17) - kc3 Announcement Course Hero Course Hero Course Hero Quiz: Home X TC myTC - Look Up Search Results | + V X O A https://tc.instructure.com/courses/14070/quizzes/9269/take O 0.1111 D Question 11 0.4 pts 9 A police car visits a given neighborhood a random number of times a per evening. p (x) is given by X 1
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Name the metric foot in each of the following line Thre thy re, m fft mn nd wmnRobert Browning Question 2 options: iamb/iambic trochee/trochaic dactyl/dactylic spondee/spondaic

John owns a computer repair service. For each computer, he charges$50 plus$45 per hour of work. A linear equation that expresses the total amount of money John earns per computer isy=50+45x . What are the independent and dependent variables? What is they -intercept and the slope? Select the correct answer below: The independent variable (x ) is

If you deposit $100 into an account that yields 10% annual simple interest, it will take 10 years for your money to double. true or false

The following sample was collected during registration at a large middle school.At the 0.05 level of significance, can it be concluded that level of math is dependent on grade level? Honors Math Regular Math General Math 6thGrade 35 47 14 7thGrade 37 49 12 8thGrade 33 48 19 Hypotheses: H0: Level of math is________grade level. H1: Level of math

for part c can you graph it pls Draw the graph of the inequality: y> 4x +3 You can refer to Participation Activities 11 and 12 in the Reading and Participation section Graphing Linear Inequalities. Those two activities can give you practice in drawing graphs of linear inequalities in Mobius. Part a: Find two points on the associated line. Often
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I do not know questions 11, 17, 18, and 23. Question 11 is multiple choice, the options are: Problem 7 Q11 options are: A) p=1/6, r=1 B) p=1/6 C) N=30, G=6, n=5 D) mean=6, SD=2.041 E) n=30, p=1/6 F) none of the above Suppose that to have power against a wider variety of alternatives, the experimenter decides to base the test on the maximum number
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A chemical supplier wishes to determine whether a new preservative will provide longer shelf life for bread. A random sample of 10 bakeries was selected and asked to provide the supplier with a fresh loaf of standard bread each using their regular preservative. Another random sample of 8 bakeries was selected and asked to use the new preservative

Please help with Homework, The trapezoid rule and Simpson's rule are brutal!!! \f
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How to answer #13? 13. The graph of y = f(x) is shown below. Use key points to show your transformations from (m, n). y + 3 =-f(5x-1) (2 y = - f ( z x- 1)- 3 -f ( 1 x - 2) - 3 + 3 5 ES X - 5
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The moment arm of the biceps brachii muscle about the elbow joint is largest when the angle at the elbow joint is approximately The moment arm of the biceps brachii muscle about the elbow joint is largest when the angle at the elbow joint is approximately 120 degrees 180 degrees (fully extended) 90 degrees 150 degrees

chemical supplier wishes to determine whether a new preservative will provide longer shelf life for bread. A random sample of 10 bakeries was selected and asked to provide the supplier with a fresh loaf of standard bread each using their regular preservative. Another random sample of 8 bakeries was selected and asked to use the new preservative in

whole sale price p of oranges (in dollars per crate) and the daily supply x (in thousands of crates) are related by equation px+7x+8p=328. If there are 4 thousand crates available today at a price of $25 per crate, and if the supply is changing at a rate of -.3 thousand crates per day, at what rate is the price changing?

An apple farm yields an average of 38 38 bushels of apples per tree when 22 22 trees are planted on an acre of ground. Each time 1 more tree is planted per acre, the yield decreases by 1 bushel (bu) per tree as a result of crowding. How many trees should be planted on an acre in order to get the highest yield?

.A bin contains 64 light bulbs of which 10 are defective. a) If 5 light bulbs are randomly selected from the bin WITH replacement, find the probability that all the bulbs selected are good ones. b) If 5 light bulbs are randomly selected from the bin WITHOUT replacement, find the probability that all the bulbs selected are good ones.

What is the probability of rolling a four with a six sided die?What is the probability that a person can roll a four 3 times in a row? (assume that rolling the die each time does not affect the outcome of the next roll)

Hi, I need help with these 3 questions please solve this questions with working out much appreciated: Question 5.1 (6 marks) Consider the function f('f):m- a) Find all local extrema of f, and classify each as a local minimum or local maximum. b) Find the global minimum and global maximum values of f on the interval [1, 10]. If no such values
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Given the regression line y'=12+0.67(x), make predictions for each of the following: a) x= 78 b) x= -14 c) x= 52

If P ( E F )=0.081 P(EF)=0.081 , P ( E | F )=0.54 P(E|F)=0.54 , and P ( F | E )=0.6 P(F|E)=0.6 , then

Find the maximum profit and the number of units that must be produced and sold in order to yield the maximum profit. Assume that revenue, Upper R left parenthesis x right parenthesis R(x), and cost, Upper C left parenthesis x right parenthesis C(x), are in thousands of dollars, and x is in thousands of units. R(x)=7x-2(x)^2 C(x)=x^3-4(x)^2+2x+1

please view An automobile assembly line operation has a scheduled mean completion time, u, of 14.5 minutes. The standard deviation of completion times is 1.1 minutes. It is claimed that, under new management, the mean completion time has decreased. To test this claim, a random sample of 35 completion times under new management was taken. The
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Suppose you carry out a significance test of H0: = 7 versus Ha: 7 based on sample size n = 28 and obtain t = 1.45. Find the p-value for this test. What conclusion can you draw at the 5% significance level? Explain. (4 points) Group of answer choices The p-value is 0.0793. We reject H0at the 5% significance level because the p-value 0.0793 is

1.The monthly income of residents of Daisy City is normally distributed with a mean of $3000 and a standard deviation of $500. *see the hint for part c, shown in figure) a. The mayor of Daisy City Makes $2,250 a month. What percentage of Daisy City's residents has income that are more than the mayor's? b. Individuals with incomes of less than
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A theatrechain whats to estimate the average number of party rooms rented daily each month.The standard deviation is unknown.What is the 95% confidence interval? Which type of confidence interval is necessary to use in this case? a) confidence interval estimate for the difference between two means (t-statistic) b) confidence interval estimate of a

ASK YOUR TEACHER Assume that x, y, z, and b are positive numbers and b # 1. Use the properties of logarithms to write the expression in terms of the logarithms of x, y, and z. log x y z
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The fertility rate is the mean number of children born to a typical woman in the country, and the female literacy rate is the percentage of women at least 15 years old who can read and write. The table contains the female literacy rate (in percent) and the fertility rate (in numbers of children) for a random sample of 10 countries. Calculate the
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Determine the vertices of the feasible region. Calculate the valoe of the revenue function for each of the vertices of the feasible region. How many standard phones and how many deluxe phones should you produce each week to maximize weekly revenue
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An SVE system is now operating on a plume that is 300 feet long, 50 feet wide and 12 feet deep with a porosity of 0.3, using 8 SVE wells each running at 200 ACFM. The average initial TCA (MW = 133.4 g/mole) concentrations found on the soil are 100 mg/m3 of soil and the clean-up goal is to achieve 0.01 mg/m3 of soil. The TCA removal rates for the
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1. When people turn to for news is different for various age groups. A study indicated where different age groups primarily get their news: Age Group Media Under 36 36-50 50+ TV 180 221 260 Radio 75 97 109 Local newspaper 52 79 107 Internet 95 83 76 Is there enough evidence to conclude a relationship between age group and the media people

17. A cylindrical kite frame is to be constructed X = 3206 from a 4-m length of light bendable rod. The frame will be made up of two circles joined by four straight rods of equal length. In order to maximize lift, the kite frame must be con- structed to maximize the volume of the cylinder. Into what lengths should the pieces be cut in order to
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How to prepare the preschool Template of the Parent/Teacher Conference form?

2. Which measures of central location are not affected by extremely small or extremely large values? A. Mean and median B. Mean and mode C. Mode and median D. Standard deviation and mean 3. What is the relationship among the mean, median and mode in a symmetric distribution? A. They are all equal B. The mean is always the smallest value C. The
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In the research question is employee happiness related to them being happy in the work place describe how that could be addressed with multiple regression with two predictor variables. Describe the predictor variables ( X 1 , X 2 ), the outcome variable ( Y ), and the associated measurement scales. Articulate the expected outcome. Indicate why

True/False.If you found a strong positive correlation between the number of hours learners spent reading their textbooks and their quiz scores, you could conclude that reading the textbook caused better performances.

Define peak factor and form factor of an alternating quantity

What am I doing wrong here? I can't seem to understand that. Please advise and please show and justify your reasoning. \f\f
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Factor. 7x- - 13x-2
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A study is run comparing HDL cholesterol levels between men who exercise regularly and those who do not. The data are shown below. Regular Exercise. N. Mean. Std Dev Yes. 35. 48.5. 12.5 No. 120. 56.9. 11.9 Generate a 95% confidence interval for the difference in mean HDL levels between men who exercise regularly and those who do not.

An entrepreneur is considering the purchase of a coin-operated laundry. The current owner claims that over the past five years, the average daily revenue was $775 with a standard deviation of $75. A sample of 60 days reveals a daily average revenue of $795. Suppose you wanted to test the hypothesis that the daily average revenue was greater than

Heres my question: A large sample of people were asked "how many credit cards do you have?". The results are shown below in the table: #of cards. 0. 1. 2. 3. 4. 5. 6 Freq. 0.381/.436/.105/.036/.023/.015/.004 Calculate the Mean and Standard deviation of the probability distribution. Explain how you arrived at your answer, including steps on your

1.The average number of calls received by a switchboard in 60-minute period is 15. a.What is the probability that between 10:00 and 10:30 the switchboard will receive exactly 6 calls? b. What is the probability that between 10:00 and 10:30 the switchboard will receive more than 11 calls but fewer than 15 calls?

Collect the Data: Use a random number generator or your calculator to generate 50 values between zero and one (inclusive). You may need to review secton1.2 List them below. Round the numbers to four decimal places or set the calculator MODE to four places. 1. Complete the table. __________ __________ __________ __________ __________ __________

A normal population has a mean of 80.0 and a standard deviation of 14.0. a. Compute the probability of a value of 75.0 or more. (show work) b. Determine the value above which 80% of the values will occur. (show work)

A random variable is normally distributed with a mean of 50 and a standard deviation of 5. What is the probability that the random variable will assume a value between 45 and 55? What is the probability that a random variable will assume a value between 40 and 60?

PSYCHOLOGY STATISTIC QUESTIONS: QUESTION 1. I am wondering if alcohol effects reaction time?I watch how many drinks a person has.I record the number.Then I ask them to fill out a reaction time task.I record that.Below are my results from my analysis. \f\f
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Below is a Region Family values are the most important values|Midwest|East Coast|West Coast|Other|Total Strongly Agree 43 26 25 15| 109 Somewhat Agree 31 10 16 21 78 Neither Agree nor Disagree 5 19 15 71 46 Somewhat Disagree 13 16 21 11| 61 Strongly Disagree 6 7 10 13| 36 Total 98 78 87 67| 330 (O Confidence interval (O Two sample t test O
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6. Suppose that Orion prices its bid at the mean of the uncertainty distribution of its competitors' low bid. In that case, the set all possible values of X is [list them] . [Hint Either Orion wins or loses. ]
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Hello, can you tell me what your thoughts are on this? Thank you. \fApply three different colors of data bars to lunch, dinner, and delivery sales in the restaurant sales data provided to visualize the relative amounts of sales. Then so the data by the day of the week beginning on Sunday. Compare the nonsorted data with the sorted data as to the
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Hello. Please help. Thank you. 22-2+1-i (6) Prove that limz->1+i -2 -2z+ 2 - -i. 2 2z- 1 f (zo + h) - f(zo) 7 (7) Let f (z) = Prove that limn-+0 provided zo * -2/3. 3z+2 h (3zo + 2)
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Use Gauss-Jordan row reduction to solve the given system of equations. HINT [See Examples 1-6.] (If there is no solution, enter NO SOLUTION. If the system is dependent, express your answer in terms of x where the x-coordinate is 'x' and both the y-coordinate and z-coordinate are functions of x.) x ? y +9 z =9 x ? y +10 z =7 Use Gauss-Jordan row
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Q5) Specifically what pricing recommendation do you have for Telford and Ivey
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an industrial process, the diameter of a ball bearing is an important measurement. The buyer sets specifications for the diameter to be 3.0 0.01 cm. The implication is that no part falling outside these specifications will be accepted. It is known that in the process the diameter of a ball bearing has a normal distribution with mean = 3.0 and

Linear independence or dependence , determine whether the following set of matrices is linearly independent or dependent. 2 1 - 10 -61 7 - 2 14 - 5 8 10
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Hello, Could you please explain Evaluate the surface integral F . ds for the given vector field F and the oriented surface S. In other words, find the flux of F across S. For closed surfaces, use the positive (outward) orientation. F(x, y, Z) = xi + yj + 10 k S is the boundary of the region enclosed by the cylinder x- + 2
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Listed below are systolic blood pressure measurements (in mm Hg) obtained from the same woman. Find the regression equation, letting the right arm blood pressure be the predictor (x) variable. Find the best predicted systolic blood pressure in the left arm given that the systolic blood pressure in the right arm is 80 mm Hg. Use a significance

What specific TEKS goes with the following? The student applies mathematical process standards to use geometry to solve problems. The student is expected to apply the Pythagorean Theorem and its converse, its applications, and understand its proofs

An instructor reads the article entitled "Brainology" by Carol S. Dweck describing the fact that intelligence is not fixed but your intellectual capacity can be nourished through learning new things, new experiences, struggles, and challenges. People who believe that their intelligence is fixed, known as a fixed-growth mindset, were discouraged

Permutations and Combinations Problem. How many possible ways are there? You bring six toy cars as gifts for the children at your family's holiday celebration event, but there are four more children at the event than you expected. How many different ways can three compact cars, two SUVs, and one truck be distributed among the 10 children at the
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Question 4 In the United States, males between the ages of 40 and 49 eat on average 103.1 g of fat every day with a standard deviation of 4.32 g. Assume that the amount of fat a person eats is normally distributed. Round the probabilities to four decimal places. It is possible with rounding for a probability to be 0.0000. a) State the random
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Hi, I need help solving this problem. I do not understand test statistic and p-value. State the conclusion about the null hypothesis, as well as the final conclusion that addresses the original claim. A. Fail to reject Ho. There is sufficient evidence to support the claim that commercial trucks owners violate laws requiring front license plates at
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Draw the graph of the inequality: y>4x+3 Part a Find two points on the associated line. Often it's smart to start with the valuesx= 0 andx= 1. Part b Find a point that satisfies the strict inequalityy>4x+3 find it with x = 0 Part c graph the two points from part a in a x and y axis pls

pls help asap! i'm stuck on this. Let R be the region that lies between the curves y = x* and y = 26,-1
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Please explain 19. A pet association claims that the mean annual cost of food for dogs and cats are the same. The restina two types of pets are shown below. At a - 0.01, can you reject the pet association's claim? Assume the population variances are not equal. Assume the samples are random and independent, and the populations are normally
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"Explain for someone who knows nothing about statistics why the researchers would conduct a null hypothesis test?"

The following is an incomplete F -table summarizing the results of a study of the variance of life satisfaction scores among unemployed, retired, part-time, and full-time employees.Source of Variation SSdfMSF Between groups19Within groups (error)36Total133 (a) Complete the F -table. (Round your values for mean squares and F to two decimal places.)

I understand how to find the MLE of a function, but I am not sure how to deal with the factorial in this case. \f
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Kuta Software - Infinite Pre-Algebra Name Surface Area of Solids Date Period Find the surface area of each figure. Round to the nearest tenth. 1 ) 2) 4 cm 5 cm 5 cm 5 cm 5cm 3) .4) 6 m 6 m 17.9 cm 3 m 6 m 6 m 8 cm 5) 6) 8.7 ft 5 in 5 in 7 ft 3.7 in 5 in 7 ft 4 in 7 ) 8) 2.2 yd 3 yd 7 m 3 m 4 m 5 m 3 yd 3 yd 2.6 yd 9) 10) 13 in 29.1 in11) 12) 7 mi
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solve the following: Chrome File Edit View History Bookmarks People Tab Window Help )) 99% Wed 11:09 PM User Q . = Logoff B 2.1.1 Frequency X C Search Textboc X MAT 1450 : Intr x Sinclair Commi x e eCampus: Cam x M Inbox - chycor x Course Hero X + C
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A common way supercell thunderstorms gain their rotation is from wind shear. Which of the following is an example that has BOTH speed and directional wind shear? Group of answer choices Surface wind: SW 5mph; 5,000 ft. wind: SE 5mph. Surface wind: SW 5mph; 5,000 ft. wind: SE 25mph. Surface wind: SW 5mph; 5,000 ft. wind: SW 25mph. Surface wind: SW

Math 30-1 RADICAL FUNCTIONSIf you could help me state the domain and the range I will appreciate it. 2. The area of a square can be determined from its length using the formula A = 1, where A represents the area and / represents the side length. 1 a. Express the side length of a square as a function of its area. (Hint: The function will be of the
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Use the standard normal (z score) table to find: P(-1.00 z) and Find the probability that a data value picked at random from a normal population will have a standard score (z) that lies between the following pairs of z-values. z = 0 to z = 2.10

[-/5.26 Points] DETAILS BBBASICSTATSACC 7.3.011.MI.DEFECTIVE MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Assume that x has a normal distribution with the specified mean and standard deviation. number. Round your answer to four decimal places.) M = 20; 0 = 4.2 P(x 2 30) = Need Help? Talk to a Tutor
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The data to the right represent the weights (in grams) of a random sample of 50 candies. Complete parts (a) through (f). (3) Determine the sample standard deviation weight, gram(s) (Round to three decimal places as needed.) (b) 0n the basis of the histogram to the right. comment on the appropriateness of using the Empirical Rule to make any
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Name the metric foot in each of the following line: Th crfw tlls th knll f prtng dyThomas Gray Question 1 options: iamb/iambic trochee/trochaic dactyl/dactylic spondee/spondaic

Curriculum must be cumulative and continuous." This statement reflects which instructional practice for correlating connections? Group of answer choices Useful Endeavors Integrative Approaches Knowledge Complexity Scope and Sequence

Let x be a random variable that represents the percentage of successful free throws a professional basketball player makes in a season. Let y be a random variable that represents the percentage of successful field goals a professional basketball player makes in a season. A random sample ofprofessional basketball players gave the following

It is thought that prehistoric Indians did not take their best tools, pottery, and household items when they visited higher elevations for their summer camps. It is hypothesized that archaeological sites tend to lose their cultural identity and specific cultural affiliation as the elevation of the site increases. Let x be the elevation (in

math 30-2 probability heeeelp Math 30-2 Probability Assignment Show all your reasoning, calculations and work. Unless indicated each question is worth 4 marks for a total of 25 marks. The assignment is due at the beginning of class 1. The probability that Isaac's dinner includes rice is 0.78. The probability that it will include carrots is 0.30.
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solve these problems:- An engineer with Haliburton calculated the AW values shown for a presently owned machine by using estimates be obtained from the vendor and company records. Retention AW Value. Period, Years 5 per Year -RI, OOD -87,DOD -890OD -95,000 A challenger has an economic service life of 7 years with an AW of $ 86,000 per year. Assume
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A contractor is considering a sale that promises a profit of $24,000 with a probability of 0.7 or a loss (due to bad weather, strikes, and such) of $2000 with a probability of 0.3. What is the expected profit?

Please solve Q2.(14 points) A survey about students' genders and interests, the number of students in each category are showed below. music sport art total girl 466 142 boy 345 500 967 total 970 1. (3 points) Fill the blanks in the table. 2. (3 points) Suppose one student is randomly selected, what is the probability that the student is a girl and
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1. a. Define and distinguish briefly the terminology population and sample b.Calculate the mean of the following scores for a group of students in an examination. 25393542904592509547 37854090439147935396 2 a.Distinguish between statistic and parameter b.Using an assumed mean (a) = 25, find the arithmetic mean of the distribution below Class 0 -

Find the critical values of ^2 1/2 and X^2 a/2 for 80% confidence level and a sample size of n=20 a) ^2 1/2 = b) X^2 a/2 =

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